PSD854F2-90JI STMicroelectronics, PSD854F2-90JI Datasheet - Page 88
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PSD854F2-90JI
Manufacturer Part Number
PSD854F2-90JI
Description
IC FLASH 2MBIT 90NS 52PLCC
Manufacturer
STMicroelectronics
Datasheet
1.PSD813F2VA-20JI.pdf
(109 pages)
Specifications of PSD854F2-90JI
Format - Memory
FLASH
Memory Type
FLASH
Memory Size
2M (256K x 8)
Speed
90ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
52-PLCC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-2028-5
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PSD854F2-90JI
Manufacturer:
SAMSUNG
Quantity:
2 000
Company:
Part Number:
PSD854F2-90JI
Manufacturer:
STMicroelectronics
Quantity:
10 000
Part Number:
PSD854F2-90JI
Manufacturer:
ST
Quantity:
20 000
PSD813F2V, PSD854F2V
Table 55. READ Timing (5V devices)
Note: 1. RD timing has the same timing as DS, LDS, UDS, and PSEN signals.
88/109
t
t
t
t
t
t
t
t
t
t
t
t
t
Symbol
LVLX
AVLX
LXAX
AVQV
SLQV
RLQV
RHQX
RLRH
RHQZ
EHEL
THEH
ELTL
AVPV
2. RD and PSEN have the same timing.
3. Any input used to select an internal PSD function.
4. In multiplexed mode, latched addresses generated from ADIO delay to address output on any Port.
5. RD timing has the same timing as DS, LDS, and UDS signals.
ALE or AS Pulse Width
Address Setup Time
Address Hold Time
Address Valid to Data Valid
CS Valid to Data Valid
RD to Data Valid 8-Bit Bus
RD or PSEN to Data Valid
8-Bit Bus, 8031, 80251
RD Data Hold Time
RD Pulse Width
RD to Data High-Z
E Pulse Width
R/W Setup Time to Enable
R/W Hold Time After Enable
Address Input Valid to
Address Output Delay
Parameter
Doc ID 10552 Rev 3
Conditions
(Note
(Note
(Note
(Note
(Note
(Note
(Note
(Note
(Note
3
3
3
5
2
1
1
1
4
)
)
)
)
)
)
)
)
)
Min Max Min Max Min Max
15
27
27
4
7
0
6
0
-70
70
75
24
31
20
20
20
32
32
10
6
8
0
0
-90
100
90
32
38
25
25
28
10
11
38
38
18
0
0
-15
150
150
40
45
30
30
Turbo
+ 10
Off
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns